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김한태,권순국 ( Han Tea Kim,Soon Kuk Kwun ) 한국환경농학회 1993 한국환경농학회지 Vol.12 No.2
The objective of this study is to understand the status of the water pollution in rural areas and to furnish a basic material for the management of the water pollution in rural areas. For this purpose, the Bokha river basin, Ichon-Gun, Kyungki-Do considering as a typical agricultural area was selected as a representative experimental watershed. The characteristics of water pollution in streams of the Bokha river basin was revealed by investigating and analyzing data collected for the source of pollution, water qualities in reaches of the stream, the degree of contribution to the river contamination by pollution mass produced from each source, and the status of the self-purification at the main stream. The most important source of the water pollution in investigated watershed was livestock, and the next important one were in the order of population, land use, and industry. The water quality of the Bokha river was relatively favorable judging from the BOD and COD concentration, however since the concentration of T-N and T-P showed significantly large values, it was concluded that the river was seriously contaminated by the nutrient material. The main cause of the river contamination was proved due to livestock waste. For the T-N, both land use and livestock were much more contributied to the pollution than any other source, which characterized the typical water pollution of rural areas. Run-off ratios for the Bokha river tributaries to the main stream were changed according to the similar trend to the variation of discharges in the branch streams. For the value of the self-purification constant at the main stream, it showed smaller value in the downstream reach than the middle-stream and upstream reaches, where could possibly have smaller reoxidation action due to slower velocity and deeper water depth.
소수를 찾는 원리 학습을 위한 게임 기반 학습 콘텐츠 개발
김한태(Han Tae Kim),홍명표(Myoung Pyo Hong),최용석(Yong Suk Choi) 한국정보과학회 2011 한국정보과학회 학술발표논문집 Vol.38 No.1B
본 논문에서는 수학에서 사용하는 소수(Prime number)를 찾는 원리에 대한 학습을 위한 게임 기반 학습(Game based learning) 콘텐츠인 Prime Miner라는 게임을 제안한다. Prime Miner는 게임이 가지고 있는 장점과 소수의 원리를 결합하여 게임을 통해 학습자의 흥미를 이끌어 학습에 몰입할 수 있도록 도우며, 학습자가 게임 규칙을 통해 소수의 원리를 합리적으로 배울 수 있도록 유도한다. 본 논문에서는 Prime Miner의 게임 원리와 학습자가 Prime Miner를 통해 소수 학습을 하는 방법을 설명한다. 또한 퍼즐 게임에서 종종 발생하는 더 이상 게임을 진행할 수 없는 상태인 교착상태(Deadlock)를 피하기 위한 숫자 타일의 배치에 관한 방법도 제시한다.
김한태(Han Tae Kim),박문경(Moon Kyoung Park),최용석(Yong Suk Choi) 한국정보과학회 2011 정보과학회 컴퓨팅의 실제 논문지 Vol.17 No.12
본 논문에서는 수학에서 사용하는 소수(Prime number)를 찾는 원리를 학습하는 게임 기반 학습(Game based learning) 콘텐츠인 Prime Miner를 제안한다. Prime Miner는 퍼즐 게임의 특징과 소수의 원리를 결합한 새로운 형식의 학습 콘텐츠로서 게임을 통해 학습자의 흥미를 이끌어 학습에 대한 집중도를 높인다. 또한, 학습자는 게임을 하는 동안 게임의 규칙을 통해 자연스럽게 소수의 원리를 학습할 수 있다. 본 논문에서는 이러한 Prime Miner의 게임 원리 및 내부 알고리즘을 소개하고, 학습자가 Prime Miner를 통해 소수 학습을 하는 방법을 설명한다. This paper presents a game based learning content for learning principles of finding prime numbers which called "PrimeMiner". PrimeMiner is a new type learning content that combines characteristics of a puzzle game and principles of the prime numbers. Learners can improve interest and elevated concentrations on learning through playing the game. While learners play this game they can learn the principles of prime numbers. In this paper, we introduce to the game principle and the internal algorithms of PrimeMiner, and describe how to learner can learn about prime numbers through PrimeMiner.